export  function pt() {
    function t(i){
        //console.log(this)
        return this instanceof t?
            (this._canvas=i="string"==typeof i?document.getElementById(i):i,this._ctx=i.getContext("2d"),this._width=i.width,this._height=i.height,this._max=1,void this.clear()):
            new t(i)
    }
    //console.log(this)
    t.prototype={
        defaultRadius:25,
        defaultGradient:{.4:"blue",.6:"cyan",.7:"lime",.8:"yellow",1:"red"},
        data:function(t,i){return this._data=t,this},
        max:function(t){return this._max=t,this},
        add:function(t){return this._data.push(t),this},
        clear:function(){return this._data=[],this},
        radius:function(t,i){
            return this
        },
        gradient:function(t){
            let i=document.createElement("canvas"),
                a=i.getContext("2d"),
                s=a.createLinearGradient(0,0,0,256);
            i.width=1,
                i.height=256;
            for(let e in t)
                s.addColorStop(e,t[e]);
            return a.fillStyle=s,
                a.fillRect(0,0,1,256),
                this._grad=a.getImageData(0,0,1,256).data,this
        },
        draw:function(t){
            this._grad||this.gradient(this.defaultGradient);
            let i=this._ctx,
                maxnum=0.0,
                pixels = new Uint8ClampedArray(this._width*this._height*4),
                count=0,
                myarr = [],
                mysort = new Array(255);

            i.clearRect(0,0,this._width,this._height);
            for(let s=0,e=this._data.length;e>s;s++){
                for(let pii=0;pii<this._data[s].length;pii++){
                    if(myarr[Math.floor(this._data[s][pii])] >= 1){
                        myarr[Math.floor(this._data[s][pii])]++;
                    }
                    else myarr[Math.floor(this._data[s][pii])]=1;
                    if(this._data[s][pii] && this._data[s][pii]>maxnum && this._data[s][pii]!=Infinity) {
                        maxnum = this._data[s][pii];
                    }
                }
            }

            maxnum = Math.floor(maxnum);

            let sss = this._width*this._height/255,countnum=0,countnums=0,indexnum=0,myarray=new Array();
            for(let tt=0,len=myarr.length;tt<len;tt++){
                if(myarr[tt]){
                    countnum+=myarr[tt];
                    countnums+=myarr[tt];
                    myarray[tt] = indexnum;
                    if(countnum>=sss){
                        mysort[indexnum] = tt;
                        sss = (this._width*this._height-countnums)/(255-indexnum);
                        countnum = 0;
                        indexnum++;
                    }
                }
            }
            for(let a,s=0,e=this._data.length;e>s;s++){
                for(let pjj=0;pjj<this._data[s].length;pjj++){
                    a=myarray[Math.floor(this._data[s][pjj])];
                    pixels[(s+pjj*e)*4] = 0,pixels[(s+pjj*e)*4+1] = 0,pixels[(s+pjj*e)*4+2] = 0,pixels[(s+pjj*e)*4+3] = a;
                }
            }
            let tn=i.getImageData(0,0,this._width,this._height);
            return this._colorize(tn.data,this._grad,pixels),
                i.putImageData(tn,0,0),
                this
        },
        _colorize:function(t,i,p){
            for(let a,s=3,e=t.length;e>s;s+=4)
                t[s]=p[s],a=4*p[s],
                a&&(t[s-3]=i[a],t[s-2]=i[a+1],t[s-1]=i[a+2])
        }
    }, window.simpleheat=t
}
